William Johnson
Founder at Null Sweat, LLC
Denver, Colorado, United States
Summary
🤩
Rockstar🎓
Top SchoolWilliam Johnson is a founder and seasoned front-end engineer with over a decade of experience building and testing production web components and developer tools. Based in Denver, he led Bento-related initiatives at Google, extending e2e tests, Storybook examples, and Next.js integrations for the widely used AMP component library. He’s shipped full-stack features across startups and enterprises—OpenTable billing and POS integrations, RE/MAX Angular migrations, and service-oriented Node.js work—while championing robust test automation. As founder of Null Sweat, LLC, he combines hands-on coding with product, design, and growth responsibilities and is building Test2Doc to improve testing-driven documentation. A pragmatic tinkerer who once crafted web games for seniors and converted CoffeeScript legacies into modern JavaScript, he blends empathy for users with a strong engineering craft. His GitHub persona hints at a playful streak, but his open-source contributions to AMP demonstrate disciplined, production-grade impact.
12 years of coding experience
7 years of employment as a software developer
BFA Digital Design, BFA Digital Design at University of Colorado DenverAAS Motion Graphics Animation, AAS Motion Graphics Animation at Red Rocks Community College
English
Github Skills (8)
preact10
javascript10
selenium-ide10
selenium10
react10
testing10
html9
css7
Programming languages (8)
Github contributions (5)
ampproject/amphtml
Sep 2021 - Apr 2022
The AMP web component framework.
Role in this project:
Front-end Developer / Test Automation Engineer
Front-end Developer / Test Automation EngineerContributions:164 reviews, 17 commits, 44 PRs in 6 months
Contributions summary:William focused on enhancing the front-end capabilities of the AMP project. Their contributions included adding and refactoring end-to-end (e2e) tests for various Bento components, such as `amp-lightbox-gallery`, `bento-timeago`, `bento-youtube`, `bento-wordpress-embed`, `bento-sidebar`, `bento-video-iframe`, `bento-soundcloud`, and `bento-vimeo`. These tests involved creating e2e fixtures and verifying the behavior and functionality of these components within the AMP framework. Further enhancements included implementing preact/react e2e tests for the `bento-base-carousel` and `bento-timeago` components.
web-components
HeyOmae/OMA3
Sep 2020 - Jan 2023
Shadowrun 6e Character Generator
Contributions:90 releases, 1667 reviews, 355 commits in 2 years 4 months
reactshadowrun-character-generatorindexeddbpwacharacter-generator
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